CN112417404A - User identity recognition method, computing device and computer storage medium - Google Patents

User identity recognition method, computing device and computer storage medium Download PDF

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CN112417404A
CN112417404A CN202011375285.9A CN202011375285A CN112417404A CN 112417404 A CN112417404 A CN 112417404A CN 202011375285 A CN202011375285 A CN 202011375285A CN 112417404 A CN112417404 A CN 112417404A
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time
user
user terminal
fingerprint
time service
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CN112417404B (en
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方茗
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Ireader Technology Co Ltd
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Ireader Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/44—Program or device authentication

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  • Computer Security & Cryptography (AREA)
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Abstract

The invention discloses a user identity identification method, a computing device and a computer storage medium. The method comprises the following steps: and calculating the time difference between the user terminal and the corresponding time service server, generating a user time fingerprint of the user terminal according to the time difference, and identifying the identity of the user based on the user time fingerprint. The user time fingerprint generated by the scheme has uniqueness, so that the user identity can be accurately identified; in addition, the scheme does not relate to the acquisition of the user privacy data, and the safety of the user privacy data is guaranteed; in addition, in the scheme, the corresponding user time fingerprints of the same user terminal are the same, so that cross-application identity recognition in the same terminal can be realized; in addition, the scheme can generate the user time fingerprint without acquiring the high-level authority of the system, thereby ensuring the safety of the user system and being beneficial to the improvement of user experience; moreover, the scheme does not need user registration, is simple and easy to operate, and is suitable for large-scale application and implementation.

Description

User identity recognition method, computing device and computer storage medium
Technical Field
The invention relates to the technical field of internet, in particular to a user identity identification method, computing equipment and a computer storage medium.
Background
Currently, two types of user identification methods are generally included: firstly, an identity identification mode based on a user account is adopted, namely, a user registers the account by using a mobile phone number, an identity card number and the like, an application platform distributes the user account of the platform to the user after registration, and then the user identity is identified through the user account; the second is an identification method based on the user's biology or device characteristics, such as obtaining the user's identity by obtaining the user's biological characteristics (e.g. palm print, biometric fingerprint, facial characteristics), device IP address, IDFA, IMEI, Cookie, etc.
However, the inventor finds that the following defects exist in the prior art in the implementation process: the identity recognition mode of the user account needs the user to provide privacy information such as a mobile phone number, an identity card number and the like, so that potential safety hazards of leakage of the privacy information of the user exist. Moreover, for a new user who has not registered a user account, the user cannot be identified by adopting the method. In addition, user accounts between different applications cannot be communicated, so that cross-application experience of the user is not facilitated; and the user biological characteristics, the equipment IP address, the IDFA, the IMEI and the like can be acquired only by acquiring the high-level authority of the system, so that the identification of the user identity is not facilitated.
Disclosure of Invention
In view of the above, the present invention has been made to provide a user identification method, a computing device and a computer storage medium that overcome or at least partially solve the above-mentioned problems.
According to an aspect of the present invention, there is provided a user identification method, the method including:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
According to yet another aspect of the present invention, there is provided a computing device comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is configured to store at least one executable instruction that causes the processor to:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
According to still another aspect of the present invention, there is provided a computer storage medium having at least one executable instruction stored therein, the executable instruction causing a processor to perform operations corresponding to the user identification method.
According to the user identity identification method, the computing equipment and the computer storage medium provided by the invention, the time difference between the user terminal and the corresponding time service server is firstly computed, the user time fingerprint of the user terminal is generated according to the time difference, and finally, the user identity identification is carried out based on the user time fingerprint. The user time fingerprint generated by the scheme has uniqueness, so that the user identity can be accurately identified; in addition, the scheme does not relate to the acquisition of the user privacy data, and the safety of the user privacy data is guaranteed; in addition, in the scheme, the corresponding user time fingerprints of the same user terminal are the same, so that cross-application identity recognition in the same terminal can be realized; in addition, the scheme can generate the user time fingerprint without acquiring the high-level authority of the system, thereby ensuring the safety of the user system and being beneficial to the improvement of user experience; moreover, the scheme does not need user registration, is simple and easy to operate, and is suitable for large-scale application and implementation.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flow chart illustrating a user identification method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a user identification method according to a second embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a user identification method according to a third embodiment of the present invention;
fig. 4 is a flowchart illustrating a user identity identifying method according to a fifth embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example one
Fig. 1 is a schematic flow chart illustrating a user identity recognition method according to an embodiment of the present invention. The method can be executed by the user terminal or the application server. In short, the present embodiment does not limit the specific implementation subject of the method.
As shown in fig. 1, the method includes:
step S110: and calculating the time difference between the user terminal and the corresponding time service server.
In an actual application scenario, due to business requirements, a user terminal can establish communication connection with a time service server, time calibration is performed on terminal local time through the time service server, and the time service server is a time service server corresponding to the user terminal.
However, due to the limitation of time service precision, the time of the user terminal and the time service server cannot be absolutely consistent, and a stable time difference exists between the user terminal and the time service server, and the time difference can be a millisecond-level time difference. In addition, due to the influence of factors such as a time service algorithm, a time service server response mechanism, a time synchronization opportunity, a network structure between the user terminal and the time service server and the like, the time difference between different user terminals and corresponding time service servers is different. Thus, in the present embodiment, the user identity is identified by using the time difference between the user terminal and the corresponding time service server.
In the process of calculating the time difference between the user terminal and the corresponding time service server, the user terminal may specifically send a time service request to the corresponding time service server, and obtain a time service request response parameter corresponding to the time service request. The time service request response parameters comprise at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message. And then, according to the time service request response parameters, calculating the time difference between the user terminal and the time service server.
Optionally, the time difference between the user terminal and the corresponding time service server may be obtained specifically through the following two ways:
the first time difference calculation method: the user terminal sends a time service request to the corresponding time service server, and the step can quickly calculate the time difference between the user terminal and the time service server according to the time service request response parameter corresponding to the single time service request.
Specifically, firstly, the time consumed by the one-way network is calculated according to the first time and the third time in the time service request response parameters corresponding to the single time service request. The specific calculation process of the one-way network time consumption is as follows: and calculating the difference between the third time and the first time, and determining half of the difference as the time consumed by the one-way network. If the first time is T1And the third time is T3If the one-way network takes RTT (T)3-T1)/2。
And further, calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the time consumed by the one-way network. Specifically, calculating a first sum of the first time and the time consumed by the one-way network; the difference between the second time and the first sum,the time difference between the user terminal and the corresponding time service server is determined. Wherein, if the second time is T2If the time difference D between the user terminal and the time service server is equal to T2-(T1+ RTT). And/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network. Specifically, calculating a second sum of the second time and the time consumed by the one-way network; and determining the difference between the second sum and the third time as the time difference between the terminal and the target time service server. That is, the time difference D ═ T between the user terminal and the time service server2+RTT–T3。
And in the second time difference calculation mode, the user terminal can sequentially send a plurality of time service requests to the time service server, for example, one time service request is sent to the time service server every preset time length. In the present embodiment, the time difference between the user terminal and the corresponding time service server is accurately calculated based on the time service request response parameters corresponding to the plurality of time service requests.
Optionally, when the time service request is sent to the time service server for the first time, operations such as a TCP/IP handshake protocol, establishment of a routing link, DNS identification and the like need to be performed, so that the request-response process is long, and therefore, in order to avoid the influence of the first request on the calculation accuracy of the time difference between the subsequent terminal and the time service server, the first time service request may be removed from the plurality of time service requests, and the time difference between the user terminal and the corresponding time service server is calculated according to the formal time service request response parameter corresponding to the removed time service request.
Specifically, first, with respect to any one of the plurality of time service requests, a candidate time difference between the user terminal corresponding to the time service request and the time service server is calculated based on the time service request response parameter corresponding to the one of the plurality of time service requests. In the first embodiment, the calculation mode of the candidate time difference corresponding to each time service request may refer to the calculation mode of the time service request response parameter corresponding to a single formal time service request to calculate the time difference between the user terminal and the time service server, which is not described herein again.
And further calculating the time difference between the terminal and the target time service server according to the average value of the candidate time differences. In an alternative embodiment, the average value of all the calculated candidate time differences may be directly used as the time difference between the terminal and the target time service server. In another alternative embodiment, in order to further improve the accuracy of the calculated time difference, the deviation points in the calculated candidate time differences may be eliminated, and the average value of the candidate time differences after the deviation points are eliminated is used as the time difference between the terminal and the target time service server, which is specifically implemented as shown in S1-S3.
S1: and calculating the average value and the deviation threshold value corresponding to the current candidate time difference set.
In the initial state, the candidate time difference set includes all the calculated candidate time differences. The deviation threshold corresponding to the current candidate time difference set is negatively related to the execution times of step S1, that is, the more the execution times of step S1 are, the smaller the deviation threshold is, thereby facilitating convergence of the candidate time difference set, and further improving the accuracy of the calculated time difference between the ue and the time server. Specifically, in the process of calculating the deviation threshold corresponding to the current candidate time difference set, a mapping relationship between different execution times of S1 and the deviation threshold may be preset, so as to determine the deviation threshold corresponding to the current candidate time difference set each time according to the mapping relationship; or, the deviation threshold corresponding to the current candidate time difference set is calculated according to the standard deviation corresponding to the current candidate time difference set and a preset multiple, where the preset multiple is a fixed value, and since the deviation candidate time difference is removed in the subsequent step S2, the standard deviation of the new candidate time difference set generated after removal is smaller than the standard deviation of the previous candidate time difference set, and thus the deviation threshold of the new candidate time difference set is also smaller than the deviation threshold of the previous candidate time difference set.
S2: and removing the deviation candidate time difference from the current candidate time difference set so as to generate a new candidate time difference set. And the absolute value of the difference value of the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set.
S3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the time service server.
Step S120: and generating a user time fingerprint of the user terminal according to the time difference.
Specifically, in order to ensure the uniqueness of the user time fingerprint corresponding to each user terminal, it is preferable that the user time fingerprint of the user terminal is generated by a millisecond-level time difference between the user terminal and the time service server.
In an alternative embodiment, in order to improve the identification accuracy, when a preset event is detected, the state of the user time fingerprint is changed into an invalid state. The preset event is an event which can cause the time difference corresponding to the user terminal to change. For example, the preset event includes at least one of the following events: the user terminal switches the time service servers for time synchronization, the time difference value from the preset task starting time in the user terminal is smaller than or equal to a preset threshold value, the network state of the user terminal changes, the position change of the user terminal exceeds a preset range, and the like.
For example, in an actual implementation process, in order to improve the time synchronization accuracy of the user terminal, a plurality of time service servers are deployed, the user terminal selects a time service server with the optimal current time service quality as a time service server corresponding to the user terminal according to the response time of each time service server, the validity of response data and the like every corresponding period or when the start time of a preset task (such as a killing task in seconds, a time-limited activity task and the like) in the user terminal is close to, and then the user terminal performs time synchronization according to the corresponding time service server. Because the time service servers with the optimal current time service quality are selected each time possibly different, the time service servers corresponding to the user terminals are also switched, and then the time difference corresponding to the user terminals is changed. Therefore, when the switching of the time service server corresponding to the user terminal is monitored, the previously generated user time fingerprint can be placed in an invalid state; in addition, when the time difference value of the preset task starting time in the user terminal is smaller than or equal to the preset threshold, the user terminal may reselect the corresponding time service server, so that the embodiment may also place the previously generated user time fingerprint in an invalid state when the time difference value from the preset task starting time in the user terminal to the current time is smaller than or equal to the preset threshold; in addition, the time difference corresponding to the ue is also affected by the change of the network state of the ue and the change of the location of the ue exceeding the preset range, so that the embodiment may also place the previously generated time fingerprint in an invalid state when the network state of the ue changes and/or the location of the ue exceeds the preset range.
In another alternative embodiment, in order to improve the identification accuracy, after the user time fingerprint corresponding to the user terminal is generated, a corresponding valid period may be allocated to the user time fingerprint, and when the current time exceeds the valid period, the state of the user time fingerprint is changed to an invalid state. The valid period is determined according to the time of time synchronization between the user terminal and the time service server next time.
Step S130: and identifying the user identity based on the user time fingerprint.
Therefore, in the embodiment, the time difference between the user terminal and the corresponding time service server is used for generating the user time fingerprint, and the user time fingerprint has uniqueness due to different time differences between different user terminals and corresponding time service servers, so that the user identity can be accurately identified according to the user time fingerprint; in addition, the embodiment does not relate to the acquisition of the user privacy data, so that the safety of the user privacy data is guaranteed; moreover, in the embodiment, the corresponding user time fingerprints of the same user terminal are the same, so that cross-application identity recognition in the same terminal can be realized; in addition, the user time fingerprint can be generated without acquiring the high-level authority of the system, so that the safety of the user system is guaranteed, and the user experience is improved; moreover, the embodiment does not need user registration, is simple and easy to operate, and is suitable for large-scale application and implementation.
Example two
Fig. 2 is a schematic flow chart illustrating a user identification method according to a second embodiment of the present invention. The user identification method provided by the embodiment is directed to further optimization of the user identification method in the first embodiment.
As shown in fig. 2, the method includes:
step S210: and calculating the time difference between the user terminal and the corresponding time service server, and generating a user time fingerprint corresponding to the user terminal according to the time difference.
The specific implementation process of this step may refer to the description of the corresponding part in the first embodiment, which is not described herein again.
Step S220: and generating a user equipment fingerprint corresponding to the user terminal according to the preset type equipment information of the user terminal.
The preset type equipment information comprises at least one of the following information: system version information, screen resolution information, CPU information, GPU information, and sound card fingerprint information. The preset type device information of the user terminal is different, and the corresponding user device fingerprints are different. In this embodiment, the extraction manner of the preset type device information is not limited, for example, GPU information may be extracted through canvas drawing, sound card fingerprint information may be extracted through audio playing, and the like.
Step S230: and generating a user network fingerprint corresponding to the user terminal according to the network outlet IP information corresponding to the user terminal.
When the user terminal sends information to the server, the user terminal carries corresponding network outlet IP information, and the network outlet IP information corresponding to different user terminals is different, so that the user network fingerprint corresponding to the user terminal can be generated according to the network outlet IP information corresponding to the user terminal.
In addition, the specific execution sequence of step S210, step S220 and step S230 is not limited in this embodiment.
Step S240: and identifying the user identity based on the user equipment fingerprint and/or the user network fingerprint and the user time fingerprint.
Specifically, when the user device fingerprints and/or the user network fingerprints of two user terminals are the same, and the user time fingerprints are the same, the two user terminals are determined to be the same user.
Therefore, the user identity is further comprehensively identified by combining the user equipment fingerprint and/or the user network fingerprint on the basis of the user time fingerprint, so that the identification accuracy of the user identity can be further improved.
EXAMPLE III
Fig. 3 is a schematic flow chart illustrating a user identification method according to a third embodiment of the present invention. The user identification method provided by the embodiment is directed to further optimization of the user identification method in the first embodiment.
As shown in fig. 3, the method includes:
step S310: and when the first preset trigger operation is monitored, generating a user time fingerprint of the first user terminal corresponding to the first preset trigger operation.
Step S320: and storing the user time fingerprint of the first user terminal into a preset fingerprint database.
Step S330: and when a second preset trigger operation is monitored, generating a user time fingerprint of the second user terminal corresponding to the second preset trigger operation.
Step S340: and comparing the user time fingerprint corresponding to the second user terminal with the user time fingerprint of the first user terminal in the preset fingerprint database, and if the comparison is consistent, determining that the second user terminal and the first user terminal are the same user.
In an alternative embodiment, steps S310-S340 may be applied in a scenario where an old user is utilized to acquire a new user. In the existing scene that an old user is used for obtaining a new user, after the new user clicks an application link shared by the old user, if the operations such as downloading or registering of the application are not performed through the link, but the application is downloaded through an application mall, the contact between the new user and the old user cannot be established in the prior art, so that the application platform is not facilitated to evaluate the popularization effect, and the formulation of a subsequent popularization scheme is influenced. By adopting the embodiment, the contact between the new user and the old user can be established without downloading or registering the application through the link by the user.
Specifically, in step S310, the first preset triggering operation is specifically a click operation for the sharing link, and when it is monitored that a click operation for the sharing link occurs in a certain terminal, a user time fingerprint of the terminal (here, the first user terminal) is generated, and step S320 is executed to store the user time fingerprint of the first user terminal in a preset fingerprint library; further executing step S330, in which the second preset triggering operation is specifically operations such as downloading a preset APP, so that when it is monitored that a downloading operation of the preset APP occurs in a certain terminal, a user time fingerprint of the terminal (here, the second user terminal) is generated; step S340 is further executed, the newly generated user time fingerprint of the second user terminal is compared with the user time fingerprint in the preset fingerprint database, and if the user time fingerprint of the second user terminal is consistent with the user time fingerprint of a certain first user terminal, it is determined that the second user terminal and the first user terminal are the same user. Optionally, after monitoring the first preset trigger operation, an upstream user of the first user terminal may be obtained, where the upstream user is an old user, and after determining that the second user terminal and the first user terminal are the same user, a corresponding electronic resource may be allocated to the upstream user of the first user, where the electronic resource may be a rebate resource such as a coupon.
For example, the user a clicks the promotion link of the APP1 shared by the upstream user B in a certain user terminal, that is, executes a first preset trigger operation, at this time, generates a user time fingerprint of a user terminal C1 (a first user terminal) corresponding to the click operation, and stores the user time fingerprint of C1, where the user terminal C1 is only an identifier randomly allocated by the system for facilitating data storage and subsequent fingerprint comparison; further, the user a does not download and register the APP1 through the link, but downloads the APP1 through an application mall, that is, executes a second preset trigger operation, and generates a user time fingerprint of the user terminal C2 (that is, a second user terminal) corresponding to the download operation, where the user terminal C2 is also an identifier randomly allocated by the system; further, the user time fingerprints of the user terminal C2 are compared with the user time fingerprints in the fingerprint database one by one, and the user time fingerprints of the user terminal C2 and the user terminal C1 are the same and belong to the same user. And, after determining that the user terminal C2 belongs to the same user as the user terminal C1, indicating that the promotion task of the upstream user is completed, then allocating a rebate resource such as a coupon to the upstream user.
In another alternative embodiment, steps S310-S340 may be applied in a cross-application information promotion scenario. In this scenario, the first preset trigger operation may be a use operation of the first application, and the second preset trigger operation may be an opening operation of the second application. Optionally, after determining that the second user terminal and the first user terminal are the same user, the recorded historical data of the first user terminal may be acquired; and further generating promotion information according to the historical data, and displaying the promotion information in the second user terminal.
For example, after opening APP1 in a ue, a first predetermined trigger operation is performed, at this time, a user time fingerprint of a ue C1 (a first ue) running APP1 is generated, and the user time fingerprint of C1 is stored, where the ue C1 is only an identifier randomly allocated by the system for data storage and subsequent fingerprint comparison; further after closing the APP1 and opening the APP2, a second preset trigger operation is executed, and at this time, a user time fingerprint of the user terminal C2 (i.e., a second user terminal) running the APP2 is generated, where the user terminal C2 is also an identifier randomly allocated by the system; further, the user time fingerprints of the user terminal C2 are compared with the user time fingerprints in the fingerprint database one by one, and the user time fingerprints of the user terminal C2 and the user terminal C1 are the same and belong to the same user. Thus, promotion information may be generated from historical data of the user when using APP1 (i.e., recorded historical data of the first user terminal) and presented when using APP2 (i.e., presenting promotion information in the second user terminal). For example, through the historical data of the user when the user is at the APP1, the user is analyzed to search for the X commodity, so that the popularization information of the X commodity can be displayed in the use process of the APP 2.
Therefore, in a scene that an old user is used for obtaining a new user, the connection between the new user and the old user can be still established when the user does not perform downloading or registering and other operations through the sharing link, and therefore the popularization effect can be conveniently evaluated; and the information popularization of cross-application can be realized, and the user experience is favorably improved.
Example four
According to a fourth embodiment of the present invention, a non-volatile computer storage medium is provided, where the computer storage medium stores at least one executable instruction, and the computer executable instruction can execute the method in any of the above-mentioned method embodiments.
The executable instructions may be specifically configured to cause the processor to:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
In an alternative embodiment, the executable instructions cause the processor to:
a user terminal sends a time service request to a corresponding time service server and acquires a time service request response parameter corresponding to the time service request;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameters;
the time service request response parameter comprises at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message.
In an alternative embodiment, the executable instructions cause the processor to:
calculating the one-way network time consumption according to the first time and the third time;
calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the one-way network time consumption; and/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network.
In an alternative embodiment, the executable instructions cause the processor to:
the number of the time service requests is multiple;
aiming at any time service request, calculating a candidate time difference between a user terminal corresponding to the time service request and a time service server according to a time service request response parameter corresponding to the time service request;
and calculating the time difference between the user terminal and the corresponding time service server according to the average value of the candidate time differences.
In an alternative embodiment, the executable instructions cause the processor to:
s1: calculating an average value and a deviation threshold value corresponding to the current candidate time difference set; wherein the candidate time difference set comprises all calculated candidate time differences in an initial state;
s2: removing the candidate time difference deviation from the current candidate time difference set so as to generate a new candidate time difference set; wherein, the absolute value of the difference value between the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set;
s3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the corresponding time service server.
In an alternative embodiment, the executable instructions cause the processor to:
and after the user time fingerprint of the user terminal is generated, when a preset event is monitored, changing the state of the user time fingerprint into an invalid state.
In an alternative embodiment, the preset event comprises at least one of the following events:
and switching the time service servers corresponding to the user terminals, wherein the time difference value between the time service servers and the preset task starting time in the user terminals is smaller than or equal to a preset threshold value, the network state of the user terminals changes, and the position change of the user terminals exceeds a preset range.
In an alternative embodiment, the executable instructions cause the processor to:
after the user time fingerprint of the user terminal is generated, distributing a corresponding valid period for the user time fingerprint, and changing the state of the user time fingerprint into an invalid state when the current time exceeds the valid period;
and the valid period is determined according to the time of next time of time synchronization of the user terminal.
In an alternative embodiment, the executable instructions cause the processor to:
generating a user equipment fingerprint of a user terminal according to preset type equipment information of the user terminal;
and carrying out user identity based on the user time fingerprint and the user equipment fingerprint.
In an optional embodiment, the preset type device information includes at least one of the following information:
system version information, screen resolution information, CPU information, GPU information, and sound card fingerprint information.
In an alternative embodiment, the executable instructions cause the processor to:
generating a user network fingerprint of the user terminal according to the network outlet IP information corresponding to the user terminal;
and identifying the user identity based on the user time fingerprint and the user network fingerprint.
In an alternative embodiment, the executable instructions cause the processor to:
when a first preset trigger operation is monitored, generating a user time fingerprint of a first user terminal corresponding to the first preset trigger operation;
storing the user time fingerprint of the first user terminal into a preset fingerprint database;
when a second preset trigger operation is monitored, generating a user time fingerprint of a second user terminal corresponding to the second preset trigger operation;
and comparing the user time fingerprint corresponding to the second user terminal with the user time fingerprint of the first user terminal in the preset fingerprint database, and if the comparison is consistent, determining that the second user terminal and the first user terminal are the same user.
In an alternative embodiment, the executable instructions cause the processor to:
after monitoring a first preset trigger operation, acquiring an upstream user of the first user terminal;
and after the second user terminal and the first user terminal are determined to be the same user, allocating corresponding electronic resources to the upstream user of the first user.
In an alternative embodiment, the executable instructions cause the processor to:
after the second user terminal and the first user terminal are determined to be the same user, acquiring recorded historical data of the first user terminal;
and generating promotion information according to the historical data, and displaying the promotion information in the second user terminal.
Therefore, in the embodiment, the time difference between the user terminal and the corresponding time service server is used for generating the user time fingerprint, and the user time fingerprint has uniqueness due to different time differences between different user terminals and corresponding time service servers, so that the user identity can be accurately identified according to the user time fingerprint; in addition, the embodiment does not relate to the acquisition of the user privacy data, so that the safety of the user privacy data is guaranteed; moreover, in the embodiment, the corresponding user time fingerprints of the same user terminal are the same, so that cross-application identity recognition in the same terminal can be realized; in addition, the user time fingerprint can be generated without acquiring the high-level authority of the system, so that the safety of the user system is guaranteed, and the user experience is improved; moreover, the embodiment does not need user registration, is simple and easy to operate, and is suitable for large-scale application and implementation.
EXAMPLE five
Fig. 4 is a schematic structural diagram of a computing device according to a fifth embodiment of the present invention, and the specific embodiment of the present invention does not limit the specific implementation of the computing device.
As shown in fig. 4, the computing device may include: a processor (processor)402, a Communications Interface 404, a memory 406, and a Communications bus 408.
Wherein: the processor 402, communication interface 404, and memory 406 communicate with each other via a communication bus 408. A communication interface 404 for communicating with network elements of other devices, such as clients or other servers. The processor 402, configured to execute the program 410, may specifically perform the relevant steps described above for any of the above method embodiments.
In particular, program 410 may include program code comprising computer operating instructions.
The processor 402 may be a central processing unit CPU or an application Specific Integrated circuit asic or one or more Integrated circuits configured to implement embodiments of the present invention. The computing device includes one or more processors, which may be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.
And a memory 406 for storing a program 410. Memory 406 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 410 may specifically be configured to cause the processor 402 to perform the following operations:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
a user terminal sends a time service request to a corresponding time service server and acquires a time service request response parameter corresponding to the time service request;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameters;
the time service request response parameter comprises at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
calculating the one-way network time consumption according to the first time and the third time;
calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the one-way network time consumption; and/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
the number of the time service requests is multiple;
aiming at any time service request, calculating a candidate time difference between a user terminal corresponding to the time service request and a time service server according to a time service request response parameter corresponding to the time service request;
and calculating the time difference between the user terminal and the corresponding time service server according to the average value of the candidate time differences.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
s1: calculating an average value and a deviation threshold value corresponding to the current candidate time difference set; wherein the candidate time difference set comprises all calculated candidate time differences in an initial state;
s2: removing the candidate time difference deviation from the current candidate time difference set so as to generate a new candidate time difference set; wherein, the absolute value of the difference value between the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set;
s3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the corresponding time service server.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
and after the user time fingerprint of the user terminal is generated, when a preset event is monitored, changing the state of the user time fingerprint into an invalid state.
In an alternative embodiment, the preset event comprises at least one of the following events:
and switching the time service servers corresponding to the user terminals, wherein the time difference value between the time service servers and the preset task starting time in the user terminals is smaller than or equal to a preset threshold value, the network state of the user terminals changes, and the position change of the user terminals exceeds a preset range.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
after the user time fingerprint of the user terminal is generated, distributing a corresponding valid period for the user time fingerprint, and changing the state of the user time fingerprint into an invalid state when the current time exceeds the valid period;
and the valid period is determined according to the time of next time of time synchronization of the user terminal.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
generating a user equipment fingerprint of a user terminal according to preset type equipment information of the user terminal;
and carrying out user identity based on the user time fingerprint and the user equipment fingerprint.
In an optional embodiment, the preset type device information includes at least one of the following information:
system version information, screen resolution information, CPU information, GPU information, and sound card fingerprint information.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
generating a user network fingerprint of the user terminal according to the network outlet IP information corresponding to the user terminal;
and identifying the user identity based on the user time fingerprint and the user network fingerprint.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
when a first preset trigger operation is monitored, generating a user time fingerprint of a first user terminal corresponding to the first preset trigger operation;
storing the user time fingerprint of the first user terminal into a preset fingerprint database;
when a second preset trigger operation is monitored, generating a user time fingerprint of a second user terminal corresponding to the second preset trigger operation;
and comparing the user time fingerprint corresponding to the second user terminal with the user time fingerprint of the first user terminal in the preset fingerprint database, and if the comparison is consistent, determining that the second user terminal and the first user terminal are the same user.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
after monitoring a first preset trigger operation, acquiring an upstream user of the first user terminal;
and after the second user terminal and the first user terminal are determined to be the same user, allocating corresponding electronic resources to the upstream user of the first user.
In an alternative embodiment, the program 410 may be specifically configured to cause the processor 402 to perform the following operations:
after the second user terminal and the first user terminal are determined to be the same user, acquiring recorded historical data of the first user terminal;
and generating promotion information according to the historical data, and displaying the promotion information in the second user terminal.
Therefore, in the embodiment, the time difference between the user terminal and the corresponding time service server is used for generating the user time fingerprint, and the user time fingerprint has uniqueness due to different time differences between different user terminals and corresponding time service servers, so that the user identity can be accurately identified according to the user time fingerprint; in addition, the embodiment does not relate to the acquisition of the user privacy data, so that the safety of the user privacy data is guaranteed; moreover, in the embodiment, the corresponding user time fingerprints of the same user terminal are the same, so that cross-application identity recognition in the same terminal can be realized; in addition, the user time fingerprint can be generated without acquiring the high-level authority of the system, so that the safety of the user system is guaranteed, and the user experience is improved; moreover, the embodiment does not need user registration, is simple and easy to operate, and is suitable for large-scale application and implementation.
The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. In addition, embodiments of the present invention are not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some or all of the components according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specified otherwise.
The invention discloses: A1. a method of user identification, the method comprising:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
A2. The method according to a1, wherein the calculating the time difference between the user terminal and the corresponding time service server further comprises:
a user terminal sends a time service request to a corresponding time service server and acquires a time service request response parameter corresponding to the time service request;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameters;
the time service request response parameter comprises at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message.
A3. According to the method of a2, the calculating a time difference between a user terminal and a corresponding time service server according to the time service request response parameter further includes:
calculating the one-way network time consumption according to the first time and the third time;
calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the one-way network time consumption; and/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network.
A4. The method of A2 or A3, wherein the timing request is multiple;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameter further comprises:
aiming at any time service request, calculating a candidate time difference between a user terminal corresponding to the time service request and a time service server according to a time service request response parameter corresponding to the time service request;
and calculating the time difference between the user terminal and the corresponding time service server according to the average value of the candidate time differences.
A5. The method according to a4, wherein the calculating the time difference between the user terminal and the time service server according to the average value of the candidate time differences further comprises:
s1: calculating an average value and a deviation threshold value corresponding to the current candidate time difference set; wherein the candidate time difference set comprises all calculated candidate time differences in an initial state;
s2: removing the candidate time difference deviation from the current candidate time difference set so as to generate a new candidate time difference set; wherein, the absolute value of the difference value between the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set;
s3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the corresponding time service server.
A6. The method of any of A1-A5, wherein, after the generating the user time fingerprint of the user terminal, the method further comprises:
and when a preset event is monitored, changing the state of the user time fingerprint into an invalid state.
A7. The method according to a6, wherein the preset event comprises at least one of the following events:
and switching the time service servers corresponding to the user terminals, wherein the time difference value between the time service servers and the preset task starting time in the user terminals is smaller than or equal to a preset threshold value, the network state of the user terminals changes, and the position change of the user terminals exceeds a preset range.
A8. The method of any of A1-A5, wherein, after the generating the user time fingerprint of the user terminal, the method further comprises: allocating a corresponding valid period for the user time fingerprint, and changing the state of the user time fingerprint into an invalid state when the current time exceeds the valid period;
and the valid period is determined according to the time of next time of time synchronization of the user terminal.
A9. The method of any one of a1-A8, wherein the method further comprises: generating a user equipment fingerprint of a user terminal according to preset type equipment information of the user terminal;
then said performing user identification based on said user time fingerprint further comprises: and carrying out user identity based on the user time fingerprint and the user equipment fingerprint.
A10. The method according to a9, wherein the preset type device information includes at least one of the following information:
system version information, screen resolution information, CPU information, GPU information, and sound card fingerprint information.
A11. The method of any one of a1-a10, wherein the method further comprises: generating a user network fingerprint of the user terminal according to the network outlet IP information corresponding to the user terminal;
then said identifying the user identity based on said user time fingerprint further comprises: and identifying the user identity based on the user time fingerprint and the user network fingerprint.
A12. The method of any of a1-a11, wherein the generating a user time fingerprint of the user terminal, based on which user identification further comprises:
when a first preset trigger operation is monitored, generating a user time fingerprint of a first user terminal corresponding to the first preset trigger operation;
storing the user time fingerprint of the first user terminal into a preset fingerprint database;
when a second preset trigger operation is monitored, generating a user time fingerprint of a second user terminal corresponding to the second preset trigger operation;
and comparing the user time fingerprint corresponding to the second user terminal with the user time fingerprint of the first user terminal in the preset fingerprint database, and if the comparison is consistent, determining that the second user terminal and the first user terminal are the same user.
A13. The method of a12, wherein, after the monitoring of the first preset trigger operation, the method further comprises: acquiring an upstream user of the first user terminal;
after said determining that the second user terminal is the same user as the first user terminal, the method further comprises: and allocating the corresponding electronic resource to the upstream user of the first user.
A14. The method according to a12, wherein, after said determining that the second user terminal is the same user as the first user terminal, the method further comprises:
acquiring recorded historical data of the first user terminal;
and generating promotion information according to the historical data, and displaying the promotion information in the second user terminal.
The invention also discloses: B15. a computing device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is configured to store at least one executable instruction that causes the processor to:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
B16. The computing device of B15, wherein the executable instructions cause the processor to:
a user terminal sends a time service request to a corresponding time service server and acquires a time service request response parameter corresponding to the time service request;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameters;
the time service request response parameter comprises at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message.
B17. The computing device of B16, wherein the executable instructions cause the processor to:
calculating the one-way network time consumption according to the first time and the third time;
calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the one-way network time consumption; and/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network.
B18. The computing device of B16 or B17, wherein the executable instructions cause the processor to:
the number of the time service requests is multiple;
aiming at any time service request, calculating a candidate time difference between a user terminal corresponding to the time service request and a time service server according to a time service request response parameter corresponding to the time service request;
and calculating the time difference between the user terminal and the corresponding time service server according to the average value of the candidate time differences.
B19. The computing device of B18, wherein the executable instructions cause the processor to:
s1: calculating an average value and a deviation threshold value corresponding to the current candidate time difference set; wherein the candidate time difference set comprises all calculated candidate time differences in an initial state;
s2: removing the candidate time difference deviation from the current candidate time difference set so as to generate a new candidate time difference set; wherein, the absolute value of the difference value between the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set;
s3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the corresponding time service server.
B20. The computing device of any one of B15-B19, wherein the executable instructions cause the processor to:
and after the user time fingerprint of the user terminal is generated, when a preset event is monitored, changing the state of the user time fingerprint into an invalid state.
B21. The computing device of B20, wherein the preset events include at least one of:
and switching the time service servers corresponding to the user terminals, wherein the time difference value between the time service servers and the preset task starting time in the user terminals is smaller than or equal to a preset threshold value, the network state of the user terminals changes, and the position change of the user terminals exceeds a preset range.
B22. The computing device of any one of B15-B19, wherein the executable instructions cause the processor to:
after the user time fingerprint of the user terminal is generated, distributing a corresponding valid period for the user time fingerprint, and changing the state of the user time fingerprint into an invalid state when the current time exceeds the valid period;
and the valid period is determined according to the time of next time of time synchronization of the user terminal.
B23. The computing device of any one of B15-B22, wherein the executable instructions cause the processor to:
generating a user equipment fingerprint of a user terminal according to preset type equipment information of the user terminal;
and carrying out user identity based on the user time fingerprint and the user equipment fingerprint.
B24. The computing device of B23, wherein the preset type device information includes at least one of:
system version information, screen resolution information, CPU information, GPU information, and sound card fingerprint information.
B25. The computing device of any one of B15-B24, wherein the executable instructions cause the processor to:
generating a user network fingerprint of the user terminal according to the network outlet IP information corresponding to the user terminal;
and identifying the user identity based on the user time fingerprint and the user network fingerprint.
B26. The computing device of any one of B15-B25, wherein the executable instructions cause the processor to:
when a first preset trigger operation is monitored, generating a user time fingerprint of a first user terminal corresponding to the first preset trigger operation;
storing the user time fingerprint of the first user terminal into a preset fingerprint database;
when a second preset trigger operation is monitored, generating a user time fingerprint of a second user terminal corresponding to the second preset trigger operation;
and comparing the user time fingerprint corresponding to the second user terminal with the user time fingerprint of the first user terminal in the preset fingerprint database, and if the comparison is consistent, determining that the second user terminal and the first user terminal are the same user.
B27. The computing device of B26, wherein the executable instructions cause the processor to:
after monitoring a first preset trigger operation, acquiring an upstream user of the first user terminal;
and after the second user terminal and the first user terminal are determined to be the same user, allocating corresponding electronic resources to the upstream user of the first user.
B28. The computing device of B26, wherein the executable instructions cause the processor to:
after the second user terminal and the first user terminal are determined to be the same user, acquiring recorded historical data of the first user terminal;
and generating promotion information according to the historical data, and displaying the promotion information in the second user terminal.
The invention also discloses: C29. a computer storage medium having stored therein at least one executable instruction for causing a processor to perform operations corresponding to the user identification method of any one of a1-a 14.

Claims (10)

1. A method of user identification, the method comprising:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
2. The method of claim 1, wherein the calculating the time difference between the user terminal and the corresponding time service server further comprises:
a user terminal sends a time service request to a corresponding time service server and acquires a time service request response parameter corresponding to the time service request;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameters;
the time service request response parameter comprises at least one of the following parameters: the time service server receives the time service request, and the user terminal receives the time service response message.
3. The method according to claim 2, wherein the calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameter further comprises:
calculating the one-way network time consumption according to the first time and the third time;
calculating the time difference between the user terminal and the corresponding time service server according to the first time, the second time and the one-way network time consumption; and/or calculating the time difference between the user terminal and the corresponding time service server according to the second time, the third time and the time consumed by the one-way network.
4. The method according to claim 2 or 3, wherein the timing request is a plurality;
calculating the time difference between the user terminal and the corresponding time service server according to the time service request response parameter further comprises:
aiming at any time service request, calculating a candidate time difference between a user terminal corresponding to the time service request and a time service server according to a time service request response parameter corresponding to the time service request;
and calculating the time difference between the user terminal and the corresponding time service server according to the average value of the candidate time differences.
5. The method of claim 4, wherein calculating the time difference between the user terminal and the time service server according to the average value of the candidate time differences further comprises:
s1: calculating an average value and a deviation threshold value corresponding to the current candidate time difference set; wherein the candidate time difference set comprises all calculated candidate time differences in an initial state;
s2: removing the candidate time difference deviation from the current candidate time difference set so as to generate a new candidate time difference set; wherein, the absolute value of the difference value between the deviation candidate time difference and the average value corresponding to the current candidate time difference set is greater than the deviation threshold value corresponding to the current candidate time difference set;
s3: judging whether the current rejecting operation times are larger than or equal to preset times or not; if not, go to step S1; and if so, taking the average value corresponding to the new candidate time difference set as the time difference between the user terminal and the corresponding time service server.
6. The method according to any of claims 1-5, wherein after the generating a user time fingerprint of the user terminal, the method further comprises:
and when a preset event is monitored, changing the state of the user time fingerprint into an invalid state.
7. The method of claim 6, wherein the preset event comprises at least one of:
and switching the time service servers corresponding to the user terminals, wherein the time difference value between the time service servers and the preset task starting time in the user terminals is smaller than or equal to a preset threshold value, the network state of the user terminals changes, and the position change of the user terminals exceeds a preset range.
8. The method according to any of claims 1-5, wherein after the generating a user time fingerprint of the user terminal, the method further comprises: allocating a corresponding valid period for the user time fingerprint, and changing the state of the user time fingerprint into an invalid state when the current time exceeds the valid period;
and the valid period is determined according to the time of next time of time synchronization of the user terminal.
9. A computing device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is configured to store at least one executable instruction that causes the processor to:
calculating the time difference between the user terminal and the corresponding time service server;
generating a user time fingerprint of the user terminal according to the time difference;
and identifying the user identity based on the user time fingerprint.
10. A computer storage medium having at least one executable instruction stored therein, the executable instruction causing a processor to perform operations corresponding to the user identification method according to any one of claims 1 to 8.
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